This single cutdown system utilizes an 80-34 gauge nichrome wire as the active element. To achieve waterproof capabilities, the ABS box is sealed with two O-rings that are compressed onto sanded surfaces. Two compression fittings retain two silicone septa that allow the wax-coated line to pass through them. The system is controlled with a Micro ZiggBee 3 XBee 3. This combination radio and microcontroller unit facilitates cutdown for a high altitude balloon when given radio commands and is powered by a AAA battery.
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Project Description
This project sought to design, test, and make available a waterproof cutdown system for high altitude small payload ballooning. Waterproofing ensures flight reliability in wet conditions and reusability for ocean-bound payloads.
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